package com.config.security;

import cn.hutool.json.JSONUtil;
import com.common.Result;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class LoginFailureHandler implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
        httpServletResponse.setContentType("application/json;charset=UTF-8");
        ServletOutputStream servletOutputStream = httpServletResponse.getOutputStream();
        Result result  = Result.fail(e.getMessage());
        servletOutputStream.write(JSONUtil.toJsonStr(result).getBytes("UTF-8"));
        servletOutputStream.flush();
        servletOutputStream.close();
    }
}
